<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body{
            height: 5000px;
        }
        .bigbox{
            width: 400px;height: 400px;
            background-color: pink;
            position: fixed;
            right: 0;
            bottom: 0;
            border-radius: 10%;
        }
        .box1{
            border-radius: 100%;
            background-color: yellow;
            position: fixed;
            right: 5px;
            bottom: 5px;
            width: 100px;height: 100px;
        }
        .box2{
            border-radius: 100%;
            background-color: yellow;
            position: fixed;
            right: 5px;
            bottom: 290px;
            width: 100px;height: 100px;
        }
        .box3{
            border-radius: 100%;
            background-color: yellow;
            position: fixed;
            right: 290px;
            bottom: 290px;
            width: 100px;height: 100px;
        }
        .box4{
            border-radius: 100%;
            background-color: yellow;
            position: fixed;
            right: 290px;
            bottom: 5px;
            width: 100px;height: 100px;
        }
        .box5{
            border-radius: 100%;
            background-color: yellow;
            position: fixed;
            right: 150px;
            bottom: 150px;
            width: 100px;height: 100px;
        }


    </style>
</head>
<body>
    <div class="bigbox">

        <div class="box1"></div>
        <div class="box2"></div>
        <div class="box3"></div>
        <div class="box4"></div>
        <div class="box5"></div>

    </div>
</body>
</html>